🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 8.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.5 AU - 0.61 AU

Year: 282 Days

Day: 6 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,060,626 km

• M1: 104,419 km (0.095 R)
• M2: 695,331 km (0.116 R)
• M3: 1,004,251 km (0.039 R)
• M4: 1,598,902 km (0.042 R)
• M5: 2,005,060 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 8.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.68 AU - 1.7 AU

Year: 1516 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,060,626 km

• M1: 103,372 km (0.117 R)
• M2: 418,276 km (0.069 R)
• M3: 705,055 km (0.116 R)
• M4: 1,516,174 km (0.099 R)
• M5: 1,970,354 km (0.102 R)
• M6: 2,324,302 km (0.116 R)
• M7: 3,015,295 km (0.114 R)
• M8: 3,352,189 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 8.8

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.69 AU - 1.79 AU

Year: 1584 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,060,626 km

• M1: 110,403 km (0.108 R)
• M2: 455,825 km (0.047 R)
• M3: 966,253 km (0.083 R)
• M4: 1,241,662 km (0.109 R)
• M5: 1,580,202 km (0.064 R)
• M6: 2,305,004 km (0.094 R)
• M7: 2,707,273 km (0.101 R)
• M8: 3,567,161 km (0.086 R)
• M9: 5,351,265 km (0.057 R)
• M10: 5,721,670 km (0.12 R)
• M11: 6,670,569 km (0.089 R)
• M12: 7,154,967 km (0.111 R)
• M13: 8,750,279 km (0.04 R)
• M14: 9,298,256 km (0.11 R)
• M15: 9,631,111 km (0.083 R)
• M16: 10,569,987 km (0.106 R)
• M17: 11,117,216 km (0.083 R)
• M18: 11,454,559 km (0.08 R)
• M19: 12,913,737 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 14.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.53 AU - 2.43 AU

Year: 1923 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,060,626 km

• M1: 181,911 km (0.113 R)
• M2: 648,507 km (0.094 R)
• M3: 1,132,007 km (0.103 R)
• M4: 1,752,240 km (0.114 R)
• M5: 2,460,885 km (0.118 R)
• M6: 3,389,140 km (0.085 R)
• M7: 5,229,642 km (0.115 R)
• M8: 5,719,426 km (0.08 R)
• M9: 6,846,047 km (0.064 R)
• M10: 7,347,799 km (0.112 R)
• M11: 9,334,758 km (0.052 R)
• M12: 10,525,706 km (0.1 R)
• M13: 11,541,775 km (0.076 R)
• M14: 14,436,195 km (0.118 R)
• M15: 15,358,465 km (0.101 R)
• M16: 16,865,365 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 8.9

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.74 AU - 4.4 AU

Year: 4656 Days

Day: 9.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,060,626 km

• M1: 110,852 km (0.09 R)
• M2: 467,643 km (0.078 R)
• M3: 793,617 km (0.112 R)
• M4: 1,489,396 km (0.091 R)
• M5: 2,198,490 km (0.11 R)
• M6: 3,748,773 km (0.093 R)
• M7: 5,239,366 km (0.05 R)
• M8: 5,717,182 km (0.105 R)
• M9: 6,316,321 km (0.072 R)
• M10: 7,056,382 km (0.095 R)
• M11: 7,674,969 km (0.081 R)
• M12: 11,554,491 km (0.068 R)
• M13: 12,858,835 km (0.037 R)
• M14: 13,468,895 km (0.065 R)
• M15: 13,781,255 km (0.061 R)
• M16: 14,151,659 km (0.104 R)
• M17: 15,359,213 km (0.085 R)
• M18: 16,397,273 km (0.051 R)
• M19: 16,813,305 km (0.095 R)
• M20: 17,604,677 km (0.069 R)
• M21: 23,477,591 km (0.104 R)
• M22: 24,158,859 km (0.091 R)
• M23: 25,087,563 km (0.07 R)
• M24: 28,611,790 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 13.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.81 AU - 5.09 AU

Year: 6480 Days

Day: 12.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,060,626 km

• M1: 171,140 km (0.051 R)
• M2: 662,569 km (0.089 R)
• M3: 1,109,418 km (0.118 R)
• M4: 1,581,249 km (0.112 R)
• M5: 2,189,365 km (0.036 R)
• M6: 4,006,829 km (0.099 R)
• M7: 6,364,791 km (0.028 R)
• M8: 6,966,174 km (0.058 R)
• M9: 7,566,660 km (0.053 R)
• M10: 9,220,016 km (0.1 R)
• M11: 9,991,492 km (0.06 R)
• M12: 11,153,269 km (0.063 R)
• M13: 11,715,159 km (0.11 R)
• M14: 13,629,563 km (0.054 R)
• M15: 15,119,258 km (0.083 R)
• M16: 15,618,317 km (0.094 R)
• M17: 16,063,819 km (0.033 R)
• M18: 17,316,253 km (0.035 R)
• M19: 18,070,675 km (0.114 R)
• M20: 20,089,797 km (0.098 R)
• M21: 23,312,135 km (0.111 R)
• M22: 26,773,681 km (0.11 R)
• M23: 28,437,807 km (0.079 R)
• M24: 29,584,924 km (0.034 R)
• M25: 30,170,001 km (0.086 R)
• M26: 38,034,511 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.5

Radius: 4.9

Gravity: 35.09 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.35 AU - 6.81 AU

Year: 9098 Days

Day: 21 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 45,060,626 km

• M1: 61,186 km (0.098 R)
• M2: 254,466 km (0.115 R)
• M3: 434,731 km (0.105 R)
• M4: 897,737 km (0.119 R)
• M5: 1,235,529 km (0.077 R)
• M6: 1,776,026 km (0.115 R)
• M7: 2,055,774 km (0.094 R)
• M8: 2,402,841 km (0.09 R)
• M9: 3,705,988 km (0.095 R)
• M10: 3,863,365 km (0.083 R)
• M11: 4,247,832 km (0.086 R)
• M12: 5,353,809 km (0.045 R)
• M13: 6,910,973 km (0.12 R)
• M14: 7,986,432 km (0.106 R)
• M15: 10,256,879 km (0.104 R)
• M16: 12,334,045 km (0.119 R)
• M17: 12,984,048 km (0.042 R)
• M18: 14,741,075 km (0.089 R)
• M19: 16,298,239 km (0.099 R)
• M20: 19,183,533 km (0.092 R)
• M21: 20,216,357 km (0.106 R)
• M22: 20,787,522 km (0.091 R)
• M23: 21,369,308 km (0.052 R)
• M24: 22,739,924 km (0.057 R)
• M25: 23,805,659 km (0.07 R)
• M26: 25,090,555 km (0.062 R)
• M27: 29,951,438 km (0.046 R)
• M28: 30,800,257 km (0.102 R)
• M29: 31,556,175 km (0.057 R)
• M30: 32,103,553 km (0.086 R)
• M31: 34,241,606 km (0.051 R)
• M32: 36,833,539 km (0.042 R)
• M33: 37,684,900 km (0.076 R)
• M34: 38,798,657 km (0.079 R)
• M35: 41,091,842 km (0.116 R)
• M36: 42,271,571 km (0.116 R)
• M37: 43,338,952 km (0.077 R)
• M38: 47,216,529 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.2

Radius: 5.4

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.33 AU - 7.55 AU

Year: 11281 Days

Day: 21 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,060,626 km

• M1: 67,469 km (0.11 R)
• M2: 288,275 km (0.107 R)
• M3: 572,810 km (0.089 R)
• M4: 952,789 km (0.116 R)
• M5: 4,361,526 km (0.102 R)
• M6: 4,858,789 km (0.101 R)
• M7: 9,883,183 km (0.037 R)
• M8: 13,478,768 km (0.09 R)
• M9: 16,238,998 km (0.105 R)
• M10: 17,284,239 km (0.112 R)
• M11: 17,714,632 km (0.098 R)
• M12: 21,010,871 km (0.096 R)
• M13: 22,589,428 km (0.082 R)
• M14: 28,387,094 km (0.108 R)
• M15: 29,491,575 km (0.065 R)
• M16: 34,422,021 km (0.109 R)
• M17: 44,791,248 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 11,309 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit